This is probably not going to work but my understanding was that to activate number sharing the customer (you) has to activate it via the watch app on your phone. It will guide you through the process, have you given that a shot?
@Ronitbhogal, I've had a scroll through the notes left on the ticket reference you've sent through.
It's definitely an issue on our side. The notes state that the status of the eSIM activation is showing as, "in-progress" since the 28/11/19.
As of the 3/12/19, the issue is awaiting action from our Network team. They've been asked to completely remove your number share profile. That'll allow us to start the process again from scratch.